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Karyotype and genome size variation in Delphinium subg. Anthriscifolium (Ranunculaceae)

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Karyotype and genome size variation in Delphinium subg. Anthriscifolium (Ranunculaceae)

by
Luo, Xiao-Yu; Nie, Tang-Jie; Liu, Heng; Ding, Xue-Fei; Huang, Ying; Guo, Chun-Ce; Zhang, Wen-Gen

Publication date
Usage
Attribution 4.0 InternationalCreative Commons Licenseby
Topics
Columbines, Consolida, genome size, karyotype, ploidy, Ranunculales
Publisher
Pensoft Publishers
Collection
biodiversity
Contributor
Pensoft Publishers
Language
English
Rights
https://biodiversitylibrary.org/permissions
Rights-holder
Copyright held by individual article author(s).
Volume
234
Item Size
23.4M
Abstract
Five taxa of Delphinium subg. Anthriscifolium have been karyologically studied through chromosome counting, chromosomal measurement, and karyotype symmetry. Each taxon that we investigated has a basic chromosome number of x = 8, D. anthriscifolium var. savatieri, D. anthriscifolium var. majus, D. ecalcaratum, and D. callichromum were diploid with 2n = 16, while D. anthriscifolium var. anthriscifolium was tetraploid with 2n = 32. Monoploid chromosome sets of the investigated diploid taxa contained 1 metacentric chromosome, 3 submetacentric chromosomes, and 4 subtelocentric chromosomes. Higher interchromosomal asymmetry (CVCL) was present in D. ecalcaratum and D. callichromum than in other taxa. The highest levels of intrachromosomal asymmetry (MCA) and heterogeneity in centromere position (CVCI) were found in D. anthriscifolium var. majus. Diploid and tetraploid genome sizes varied by 3.02–3.92 pg and 6.04–6.60 pg, respectively. Karyotype and genome size of D. anthriscifolium var. savatieri, D. anthriscifolium var. majus, D. callichromum, and D. ecalcaratum were reported for the first time. Finally, based on cytological and morphological data, the classification of Delphinium anthriscifolium was revised.
Addeddate
2025-05-03 01:41:01
Bhl_virtual_titleid
210913
Bhl_virtual_volume
v.234 (2023)
Call number
10_3897_phytokeys_234_108841
Call-number
10_3897_phytokeys_234_108841
Foldoutcount
0
Genre
article
Identifier
karyotypegenome234luox
Identifier-ark
ark:/13960/s2dbgshh70p
Identifier-bib
10_3897_phytokeys_234_108841
Identifier-doi
10.3897/phytokeys.234.108841


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